33421190544 has 160 divisors (see below), whose sum is σ = 111138243840. Its totient is φ = 9418042368.

The previous prime is 33421190483. The next prime is 33421190557. The reversal of 33421190544 is 44509112433.

33421190544 is a `hidden beast` number, since 3 + 3 + 4 + 21 + 1 + 90 + 544 = 666.

It is a super-2 number, since 2×33421190544² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 33421190499 and 33421190508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145054 + ... + 296450.

It is an arithmetic number, because the mean of its divisors is an integer number (694614024).

Almost surely, 2^33421190544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33421190544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55569121920).

33421190544 is an abundant number, since it is smaller than the sum of its proper divisors (77717053296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33421190544 is a wasteful number, since it uses less digits than its factorization.

33421190544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151494 (or 151482 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 33421190544 in words is "thirty-three billion, four hundred twenty-one million, one hundred ninety thousand, five hundred forty-four".